Chaco Petroleum Procurement Inc., Board of Directors meets regularly to discuss reviews and reports on the business and plans of the Company.

Main Responsibilities:

• Evaluate the performance of the company in accordance with its strategy, purposes, business plan and budget.
• Approve the Annual Report.
• Approve any major changes to the Company’s corporate structure, management and internal control.
• Approve any significant changes in accounting policies or practices.
• Appointment or removal of the Company Secretary.
• Any other matter outside the scope of the powers and authority of the main shareholder, the chairman or delegated to the Board of Directors.

Proxy of YPFB Chaco S.A.: Jerry Harold Fletcher Torrico

Board of Directors:

• Iván David Justiniano Gil – President
• Susana Valeria Arce Campero – Secretary
• Carmen Alejandra Salas Balderrama - Vice-President
• Hernán Bravo Lemoine
• Jaime Arancibia Dávila